Added macro that indicates presence of the time callback feature. Also added C++...
[BearSSL] / src / ec / ec_prime_i15.c
index 85affe5..f86dbe6 100644 (file)
@@ -733,11 +733,12 @@ api_mul(unsigned char *G, size_t Glen,
        jacobian P;
 
        cc = id_to_curve(curve);
+       if (Glen != cc->point_len) {
+               return 0;
+       }
        r = point_decode(&P, G, Glen, cc);
        point_mul(&P, x, xlen, cc);
-       if (Glen == cc->point_len) {
-               point_encode(G, &P, cc);
-       }
+       point_encode(G, &P, cc);
        return r;
 }
 
@@ -765,11 +766,14 @@ api_muladd(unsigned char *A, const unsigned char *B, size_t len,
 
        /*
         * TODO: see about merging the two ladders. Right now, we do
-        * two independant point multiplications, which is a bit
+        * two independent point multiplications, which is a bit
         * wasteful of CPU resources (but yields short code).
         */
 
        cc = id_to_curve(curve);
+       if (len != cc->point_len) {
+               return 0;
+       }
        r = point_decode(&P, A, len, cc);
        if (B == NULL) {
                size_t Glen;